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crashes: prevent multiple disconnects, add more checks, cancel current queries, and add a tiny delay to allow mysql cleanup.
- Alter MCPStreamingResult to no longer return a retained instance, setting up correct result disposal on autorelease but changing callers to retain as soon as they receive.
- Review and change a number of local variables shadowing/shielding other local or global variables.
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an occasional crasher when getting table cells by adding a retain
- Alter MCPStreamingResult to use pthread mutexes in a further attempt to address Issue #463
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- Significantly improve memory usage
- Minor speedup (1.1x faster?) to overall query/display times
- Improvements to MCPStreamingResult and MCPConnection to accurately report affected row count
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- Speed up table content processing a bit
- Make the table content download/processing determinate where an approximate row count is available
- Clean up table content source, assuming MCPStreamingResult will remain in use
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download all results as fast as possible from the server, to avoid blocking, but do so in a background thread to allow results processing to start as soon as data is available. Many thanks to Hans-Jörg Bibiko for assistance with this.
- Add an option to the SQL export dialog to allow selection of the full-streaming method, with a warning that it may block table UPDATES/INSERTS.
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- Added an MCPStreamingResult class to MCPKit, to allow streaming results from the server including fast array access of each row
- Tweak SQL export to use the streaming result class and to keep memory usage lower
End result is generally faster exports, more accurate progress bars, and much much lower (and consistent) memory usage.
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